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Irina-Kira [14]
2 years ago
13

Find the value of each variable using sine and cosine round your answers to the nearest tenth​

Mathematics
1 answer:
Fudgin [204]2 years ago
5 0

9514 1404 393

Answer:

  r ≈ 19.0

  s ≈ 17.7

Step-by-step explanation:

The relevant trig relations are ...

  Sin = Opposite/Hypotenuse

  Cos = Adjacent/Hypotenuse

So, you have ...

  cos(43°) = r/26

  r = 26·cos(43°) ≈ 19.0

__

  sin(43°) = s/26

  s = 26·sin(43°) ≈ 17.7

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2 years ago
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3 years ago
Find the area and the circumference of a circle with the radius 3 ft.Use 3.14 for pi
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ANSWER

• Circumference: 18.84 ft

,

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